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    <title>Document</title>
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    <script>
        // 第七题
        name = "a";
        function fn(name) {
            var name = "b";

            function fn1() {
                var name = "c";
                console.log(name); //   c
            }

            function fn2() {
                console.log(name); //  b
            }

            fn1();
            fn2();
        }
        fn(1);
    </script>
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